1Negative figure represents amounts lent to the OASI Trust Fund from the DI Trust Fund. Positive figures represent amounts repaid from the OASI Trust Fund to the DI Trust Fund. Transfers were not available until November 1982.

3Paid from the general fund of the Treasury. Includes transfers representing contributions that would have been paid on deemed wage credits for military service performed-traditionally split into "pre-1957" and "post-1956"-if such credits were considered covered wages. In 1983, a change in the financing basis for pre-1957 service resulted in a one-time transfer for past credits-adjustments to the initial 1983 transfer were made in 1985, 1990, 1995, and 2000. Additional adjustments are expected quinquennially thereafter.

4Paid from the general fund of the Treasury. Includes costs of benefits to certain uninsured persons who attained age 72 before 1968.

5Net interest includes net profits or losses on marketable investments. Administrative expenses are charged currently to the trust fund on an estimated basis, with a final adjustment, including interest, made in the following fiscal year. The amounts of these interest adjustments are included in net interest. Calendar years 1982-86 reflect interest on interfund borrowing. Calendar years 1983-90 reflect interest on advance tax transfers. The amount shown for 1985 includes an interest adjustment of $14.8 million on unnegotiated checks issued before April 1985.

6Includes payments for vocational rehabilitation services furnished to disabled persons receiving benefits because of their disabilities. Beginning in 1983, relatively small reductions are made for the amount of reimbursement for unnegotiated benefit checks.

Sources:

· All detail columns shown earlier.

· Net increase in fund computed as total income minus total disbursements plus interfund borrowing transfers.

· Historical fund at end of period from unpublished monthly report from Department of the Treasury; projected fund at end of period computed by adding net increase in fund to fund at end of previous period.

Note: Future estimates based on 2001 Trustees Report intermediate set of assumptions. See tables V.A10 and V.B10 for low-cost and high-cost alternatives, respectively.